Airbnb's Relevance and Personalization team is seeking a Staff Machine Learning Engineer to lead critical projects in search and recommendation. You'll develop end-to-end ranking algorithms, build cutting-edge AI technologies, and work with large-scale data to optimize business objectives. Collaborating across teams, you'll drive engineering decisions and quantify impact. Key responsibilities include developing ML models, working with cross-functional partners, and leveraging various ML tools and infrastructure. The role requires expertise in applied Machine Learning, strong programming skills, and experience with technologies like TensorFlow, PyTorch, and Spark. This remote-eligible position offers the opportunity to work on impactful projects in a company committed to creating a world where people can Belong Anywhere.